What’s the fastest stopover option from Sydney to San Diego?

Flights via San Francisco (SFO) have the shortest average one-way travel time for one-stop routes: 17h 21m.

What’s the top stopover airport for flights from Sydney to San Diego?

San Francisco (SFO) – chosen by Cheapflights users on 40% of one-stop itineraries from Sydney to San Diego on Cheapflights.

Which airport typically offers the quickest stopover for flights from Sydney to San Diego?

Flights via San Francisco (SFO) offer the fastest connection on this route, with an average stopover time of 2h 07m.

What’s the cheapest stopover airport for flights from Sydney to San Diego?

Honolulu (HNL) is the most affordable one-stop option, with an average return flight price of $1,335.

How long is the flight from Sydney to San Diego?

United Airlines and Delta can get you from Sydney to San Diego in just under 18h 53m. Your travel time can differ by up to 6h 58m. The distance from Sydney to San Diego is about 12086 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What are the cheapest airlines flying from Sydney to San Diego round-trip?

Air Canada, at $1,045, was found to be the cheapest airline from Sydney to San Diego.Alternate airlines to your destination round-trip include Alaska Airlines and United Airlines. Users have found that Air Canada is 31% cheaper than the other options available to this destination.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 58.0 inches per month. February is typically the wettest month, when rainfall can reach 58.0 mm. July is typically the driest time to visit San Diego when rainfall is around 0.0 mm.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

What are the most popular airlines that fly from Sydney to San Diego?

The most popular airlines flying from Sydney to San Diego are United Airlines, Air Canada and Alaska Airlines. Something to consider prior to booking your flight.

What is the cheapest time of day to fly from SYD to SAN?

When flying from Sydney to San Diego, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Sydney to San Diego that include hotel bookings?

Yes. In addition to deals on Sydney to San Diego flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Sydney to San Diego?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to San Diego.

Can I find deals for business class flights from Sydney to San Diego?

Yes. Cheapflights offers flight deals from Sydney to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$850+ Cheap Flights from Sydney to San Diego

Cheap flight deals from Sydney to San Diego

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Sydney to San Diego
Explore the most affordable flight options available from Sydney to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 August 2026.

Mon 17/809:10 -

2 stops26h 44m

Sun 30/816:22 -

2 stops21h 43m

Deal found 9/8$1,420

Mon 17/810:20 -

2 stops24h 06m

Sun 30/819:41 -

1 stop18h 14m

Deal found 9/8$1,447

Fri 13/1111:20 -

1 stop20h 45m

Fri 27/1114:00 -

1 stop24h 35m

Deal found 11/8$1,496

Mon 23/1111:20 -

1 stop20h 44m

Fri 8/114:00 -

2 stops36h 50m

Deal found 11/8$1,512

Thu 17/909:20 -

1 stop23h 52m

Sat 17/1012:35 -

1 stop25h 45m

Deal found 10/8$1,547

Wed 19/810:20 -

1 stop22h 34m

Wed 9/918:28 -

1 stop19h 27m

Deal found 12/8$1,576

Fri 13/1106:55 -

2 stops25h 10m

Fri 27/1107:05 -

1 stop31h 30m

Deal found 14/8$1,594

Thu 13/810:20 -

2 stops24h 06m

Mon 5/1011:19 -

2 stops26h 41m

Deal found 11/8$1,597

Wed 9/909:15 -

2 stops25h 51m

Wed 16/906:15 -

1 stop31h 35m

Deal found 10/8$1,665

Find flight deals from Sydney to San Diego

Round-trip from	$1,496
One-way from	$850
Popular in	December
Cheapest in	September
Average price	$1,351

Air Canada
13/11-27/11
2 total stops
45h 20m total
Sydney to San Diego

Search Deals

4/11
3 total stops
32h 17m total
Sydney to San Diego

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($140 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($41 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Mon 17/8

10:20-12:13

1 stop18h 53m

San Diego

Sun 30/8

14:24-07:00

1 stop23h 36m

$1,447

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Wed 19/8

09:30-13:44

2 stops21h 14m

San Diego

Wed 9/9

17:00-06:55

2 stops20h 55m

$1,576

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Wed 9/9

09:15-18:06

2 stops25h 51m

San Diego

Wed 16/9

06:15-06:50

1 stop31h 35m

$1,665

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Mon 7/9

10:20-17:26

2 stops24h 06m

San Diego

Wed 30/9

13:24-07:00

2 stops24h 36m

$1,688

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Fri 11/9

09:15-15:01

1 stop22h 46m

San Diego

Sat 19/9

19:44-06:50

1 stop18h 06m

$1,808

Fastest return journey

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Sun 27/9

09:30-11:35

1 stop19h 05m

San Diego

Sun 4/10

17:00-08:00

1 stop21h 00m

$1,815

Cheapest one-way

Fastest single journey

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Mon 28/9

09:20-11:47

1 stop19h 27m

$989

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Wed 4/11

11:20-17:59

1 stop25h 39m

$991

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Sat 7/11

11:20-15:41

2 stops23h 21m

$1,111

SydneySan Diego

SYD Sydney Kingsford Smith - SAN San Diego

SYDSAN

Sydney Kingsford Smith

Tue 1/9

20:35-14:50

3 stops59h 15m

$1,307

Flights are sorted by cheapest return flights first.

Deals found on 10/8

Showing 1-10 of 11 resultsSorted by cheapest first

Best time to book a flight from Sydney to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Sydney with our price prediction graph.

SYD-SAN

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sydney to San Diego

Prices

The price you pay for your flight from Sydney to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 61 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Sydney to San Diego?

Currently, September is the cheapest month in which you can book a flight from Sydney to San Diego (average of $1,299). Flying from Sydney to San Diego in December is currently the most expensive (average of $1,829). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Sydney to San Diego?

Airfare is typical for this route at the moment.

Sydney to San Diego flights typically cost between $1,188 and $1,600 in November.
The cheapest return price found within the last 5 days was $1,496 on Air Canada (13 Nov–27 Nov).

Reviews of airlines servicing San Diego

Read reviews from past customers who have flown with Alaska Airlines,Virgin Australia, andUnited Airlines from Sydney to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

7.9

Good

12,808 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Alaska Airlines

7.9

Good

12,808 reviews

Alaska Airlines

7.9

Good

12,808 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Virgin Australia

7.6

Good

470 reviews

Alaska Airlines

7.9

Good

12,808 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

United Airlines

7.4

Good

10,112 reviews

Alaska Airlines

7.9

Good

12,808 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Air Canada

7.1

Good

11,470 reviews

Alaska Airlines

7.9

Good

12,808 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Related info for your journey

How long is the flight from Sydney to San Diego?
United Airlines and Delta can get you from Sydney to San Diego in just under 18h 53m. Your travel time can differ by up to 6h 58m. The distance from Sydney to San Diego is about 12086 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines flying from Sydney to San Diego round-trip?
Air Canada, at $1,045, was found to be the cheapest airline from Sydney to San Diego.Alternate airlines to your destination round-trip include Alaska Airlines and United Airlines. Users have found that Air Canada is 31% cheaper than the other options available to this destination.
Can I find deals for flights from Sydney to San Diego that include hotel bookings?
Yes. In addition to deals on Sydney to San Diego flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Sydney to San Diego?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to San Diego.
Can I find deals for business class flights from Sydney to San Diego?
Yes. Cheapflights offers flight deals from Sydney to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Sydney to San Diego?
Currently, September is the cheapest month in which you can book a flight from Sydney to San Diego (average of $1,299). Flying from Sydney to San Diego in December is currently the most expensive (average of $1,829). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

San Ysidro

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Top 4 airlines flying from Sydney to San Diego

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$1,045	Average$1,451	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Alaska Airlines	Cheapest$1,054	Average$1,387	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
United Airlines	Cheapest$1,175	Average$1,487	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Virgin Australia	Cheapest$1,460	Average$1,810	FlexibilityNo cancel fee	On-time80%	Search Virgin Australia flights

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How does Cheapflights help users find flights from Sydney to San Diego?

When you search for this flight from Sydney to San Diego, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Sydney to San Diego?

Cheapflights helps you find that perfect flight to San Diego from Sydney by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Sydney to San Diego with no change fees?

Need flexible booking options for your flight to San Diego from Sydney? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Sydney to San Diego become cheaper?

Yes! Start tracking prices for Sydney to San Diego flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from Sydney to San Diego from $850

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Sydney to San Diego

Cheapest flights from Sydney to San DiegoExplore the most affordable flight options available from Sydney to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 August 2026.

Explore the most affordable flight options available from Sydney to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 August 2026.

Best flights from Sydney to San DiegoDiscover carefully curated flight deals from Sydney to San Diego that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 August 2026.

Discover carefully curated flight deals from Sydney to San Diego that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 August 2026.

Last-minute flights from Sydney to San DiegoDiscover last-minute flight deals from Sydney to San Diego. Data last updated 14 August 2026 and is based on user searches.

Discover last-minute flight deals from Sydney to San Diego. Data last updated 14 August 2026 and is based on user searches.

One-way flights from Sydney to San DiegoSearch for one-way flight options from Sydney to San Diego. Find affordable one-way fares based on user searches. Data last updated 14 August 2026.

Search for one-way flight options from Sydney to San Diego. Find affordable one-way fares based on user searches. Data last updated 14 August 2026.

Find flight deals from Sydney to San Diego

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Sydney to San Diego that are best for you.

Best time to book a flight from Sydney to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Sydney with our price prediction graph.

Cheapflights Insights

How far ahead should I book a flight from Sydney to San Diego?

The price you pay for your flight from Sydney to San Diego may vary depending on when you book. For the best chance of a lower fare, look to book 61 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Sydney to San Diego?

How much does it cost for a return flight from Sydney to San Diego?

Airfare is typical for this route at the moment.

Sydney to San Diego flights typically cost between $1,188 and $1,600 in November.The cheapest return price found within the last 5 days was $1,496 on Air Canada (13 Nov–27 Nov).

What’s the top stopover airport for flights from Sydney to San Diego?

San Francisco (SFO) – chosen by Cheapflights users on 40% of one-stop itineraries from Sydney to San Diego on Cheapflights.

What’s the cheapest stopover airport for flights from Sydney to San Diego?

Honolulu (HNL) is the most affordable one-stop option, with an average return flight price of $1,335.

What’s the fastest stopover option from Sydney to San Diego?

Flights via San Francisco (SFO) have the shortest average one-way travel time for one-stop routes: 17h 21m.

Which airport typically offers the quickest stopover for flights from Sydney to San Diego?

Flights via San Francisco (SFO) offer the fastest connection on this route, with an average stopover time of 2h 07m.

Reviews of airlines servicing San Diego

Read reviews from past customers who have flown with Alaska Airlines,Virgin Australia, andUnited Airlines from Sydney to San Diego. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Sydney to San Diego?

What are the cheapest airlines flying from Sydney to San Diego round-trip?

Can I find deals for flights from Sydney to San Diego that include hotel bookings?

How can I find direct flights from Sydney to San Diego?

Can I find deals for business class flights from Sydney to San Diego?

What is the cheapest month to book a flight from Sydney to San Diego?

Travelling to a place near San Diego?

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Alternative routes for Sydney to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to San Diego by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to California

Book a non-stop flight to one of these other cities located in California.

Search flights from Sydney to San Diego by cabin class

Find flights from Sydney to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Sydney and San Diego flights

Browse other Sydney and San Diego flight options. Last updated on 14 August 2026.

Other flights from Sydney

Browse through other flights departing from Sydney. Flights are based on user searches made on Cheapflights and were last updated on 14 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 4 airlines flying from Sydney to San Diego

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How does Cheapflights help users find flights from Sydney to San Diego?

Why should you use Cheapflights to find cheap flight tickets from Sydney to San Diego?

Can Cheapflights find flights from Sydney to San Diego with no change fees?

Can Cheapflights notify me if prices for flights from Sydney to San Diego become cheaper?

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Cheapest flights from Sydney to San Diego
Explore the most affordable flight options available from Sydney to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 August 2026.

Best flights from Sydney to San Diego
Discover carefully curated flight deals from Sydney to San Diego that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 August 2026.

Last-minute flights from Sydney to San Diego
Discover last-minute flight deals from Sydney to San Diego. Data last updated 14 August 2026 and is based on user searches.

One-way flights from Sydney to San Diego
Search for one-way flight options from Sydney to San Diego. Find affordable one-way fares based on user searches. Data last updated 14 August 2026.

Sydney to San Diego flights typically cost between $1,188 and $1,600 in November.
The cheapest return price found within the last 5 days was $1,496 on Air Canada (13 Nov–27 Nov).